4-Cyanobenzoic acid
Synonym(s):4-Cyanobenzoic acid;Terephthalic acid mononitrile
- CAS NO.：619-65-8
- Empirical Formula: C8H5NO2
- Molecular Weight: 147.13
- MDL number: MFCD00002528
- EINECS: 210-606-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-09-07 16:59:03
What is 4-Cyanobenzoic acid?
Chemical properties
white powder
The Uses of 4-Cyanobenzoic acid
An inhibitor. The studies show that 4-cyanobenzaldehyde and 4-cyanobenzoic acid can inhibit both the monophenolase activity and the diphenolase activity of mushroom tyrosinase.
The Uses of 4-Cyanobenzoic acid
4-Cyanobenzoic acid is used as an inhibitor. 4-cyanobenzaldehyde and 4-cyanobenzoic acid can inhibit both the monophenolase activity and the diphenolase activity of mushroom tyrosinase.
Synthesis Reference(s)
Tetrahedron Letters, 31, p. 7223, 1990 DOI: 10.1016/S0040-4039(00)97285-X
Purification Methods
Crystallise the acid from water and dry it in a vacuum desiccator over Sicapent. [Beilstein 9 IV 3324.]
Properties of 4-Cyanobenzoic acid
| Melting point: | 219-221 °C (dec.)(lit.) |
| Boiling point: | 267.22°C (rough estimate) |
| Density | 1.3067 (rough estimate) |
| refractive index | 1.5510 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | Soluble in methanol. |
| pka | 3.55(at 25℃) |
| form | Crystalline Powder |
| color | White to yellow-beige |
| Sensitive | Air Sensitive |
| BRN | 1862865 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong acids, strong bases. |
| CAS DataBase Reference | 619-65-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzoic acid, 4-cyano-(619-65-8) |
| EPA Substance Registry System | Benzoic acid, 4-cyano- (619-65-8) |
Safety information for 4-Cyanobenzoic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-Cyanobenzoic acid
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